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freebsd-dev/sys/i4b/driver/i4b_ctl.c
Eivind Eklund b5e9d21f6c Silence warnings. 
Approved by:	hm
1999-01-12 11:05:03 +00:00

304 lines
8.2 KiB
C
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/*
* Copyright (c) 1997, 1998 Hellmuth Michaelis. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*---------------------------------------------------------------------------
*
* i4b_ctl.c - i4b system control port driver
* ------------------------------------------
*
* $Id: i4b_ctl.c,v 1.1 1998/12/27 21:46:42 phk Exp $
*
* last edit-date: [Sat Dec 5 17:59:15 1998]
*
*---------------------------------------------------------------------------*/
#include "i4bctl.h"
#if NI4BCTL > 1
#error "only 1 (one) i4bctl device allowed!"
#endif
#if NI4BCTL > 0
#include <sys/param.h>
#if defined(__FreeBSD__) && __FreeBSD__ >= 3
#include <sys/ioccom.h>
#include <i386/isa/isa_device.h>
#else
#include <sys/ioctl.h>
#endif
#include <sys/kernel.h>
#include <sys/systm.h>
#include <sys/conf.h>
#include <sys/mbuf.h>
#include <sys/proc.h>
#include <sys/fcntl.h>
#include <sys/socket.h>
#include <net/if.h>
#ifdef __FreeBSD__
#include "opt_devfs.h"
#endif
#ifdef DEVFS
#include <sys/devfsext.h>
#endif
#ifdef __FreeBSD__
#include <machine/i4b_debug.h>
#include <machine/i4b_ioctl.h>
#else
#include <machine/bus.h>
#include <sys/device.h>
#include <i4b/i4b_debug.h>
#include <i4b/i4b_ioctl.h>
#endif
#include <i4b/include/i4b_global.h>
#include <i4b/include/i4b_mbuf.h>
#include <i4b/layer1/i4b_l1.h>
static int openflag = 0;
#if BSD > 199306 && defined(__FreeBSD__)
static d_open_t i4bctlopen;
static d_close_t i4bctlclose;
static d_ioctl_t i4bctlioctl;
#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
static d_poll_t i4bctlpoll;
#endif
#define CDEV_MAJOR 55
static struct cdevsw i4bctl_cdevsw =
{ i4bctlopen, i4bctlclose, noread, nowrite,
i4bctlioctl, nostop, nullreset, nodevtotty,
#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
i4bctlpoll, nommap, NULL, "i4bctl", NULL, -1 };
#else
noselect, nommap, NULL, "i4bctl", NULL, -1 };
#endif
static void i4bctlattach(void *);
PSEUDO_SET(i4bctlattach, i4b_i4bctldrv);
#define PDEVSTATIC static
#endif /* __FreeBSD__ */
#ifdef DEVFS
static void *devfs_token;
#endif
#ifndef __FreeBSD__
#define PDEVSTATIC /* */
void i4bctlattach __P((void));
int i4bctlopen __P((dev_t dev, int flag, int fmt, struct proc *p));
int i4bctlclose __P((dev_t dev, int flag, int fmt, struct proc *p));
int i4bctlioctl __P((dev_t dev, int cmd, caddr_t data, int flag, struct proc *p));
#endif /* !FreeBSD */
#if BSD > 199306 && defined(__FreeBSD__)
/*---------------------------------------------------------------------------*
* initialization at kernel load time
*---------------------------------------------------------------------------*/
static void
i4bctlinit(void *unused)
{
dev_t dev;
dev = makedev(CDEV_MAJOR, 0);
cdevsw_add(&dev, &i4bctl_cdevsw, NULL);
}
SYSINIT(i4bctldev, SI_SUB_DRIVERS,SI_ORDER_MIDDLE+CDEV_MAJOR, &i4bctlinit, NULL);
#endif /* BSD > 199306 && defined(__FreeBSD__) */
/*---------------------------------------------------------------------------*
* interface attach routine
*---------------------------------------------------------------------------*/
PDEVSTATIC void
#ifdef __FreeBSD__
i4bctlattach(void *dummy)
#else
i4bctlattach()
#endif
{
#ifndef HACK_NO_PSEUDO_ATTACH_MSG
printf("i4bctl: ISDN system control port attached\n");
#endif
#ifdef DEVFS
devfs_token = devfs_add_devswf(&i4bctl_cdevsw, 0, DV_CHR,
UID_ROOT, GID_WHEEL, 0600,
"i4bctl");
#endif
}
/*---------------------------------------------------------------------------*
* i4bctlopen - device driver open routine
*---------------------------------------------------------------------------*/
PDEVSTATIC int
i4bctlopen(dev_t dev, int flag, int fmt, struct proc *p)
{
if(minor(dev))
return (ENXIO);
if(openflag)
return (EBUSY);
openflag = 1;
return (0);
}
/*---------------------------------------------------------------------------*
* i4bctlclose - device driver close routine
*---------------------------------------------------------------------------*/
PDEVSTATIC int
i4bctlclose(dev_t dev, int flag, int fmt, struct proc *p)
{
openflag = 0;
return (0);
}
/*---------------------------------------------------------------------------*
* i4bctlioctl - device driver ioctl routine
*---------------------------------------------------------------------------*/
PDEVSTATIC int
#if defined (__FreeBSD_version) && __FreeBSD_version >= 300003
i4bctlioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p)
#else
i4bctlioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p)
#endif
{
ctl_debug_t *cdbg;
int error = 0;
#ifndef DO_I4B_DEBUG
return(ENODEV);
#else
if(minor(dev))
return(ENODEV);
switch(cmd)
{
case I4B_CTL_GET_DEBUG:
cdbg = (ctl_debug_t *)data;
cdbg->l1 = i4b_l1_debug;
cdbg->l2 = i4b_l2_debug;
cdbg->l3 = i4b_l3_debug;
cdbg->l4 = i4b_l4_debug;
break;
case I4B_CTL_SET_DEBUG:
cdbg = (ctl_debug_t *)data;
i4b_l1_debug = cdbg->l1;
i4b_l2_debug = cdbg->l2;
i4b_l3_debug = cdbg->l3;
i4b_l4_debug = cdbg->l4;
break;
case I4B_CTL_GET_HSCXSTAT:
{
hscxstat_t *hst;
struct isic_softc *sc;
hst = (hscxstat_t *)data;
if( hst->unit < 0 ||
hst->unit > ISIC_MAXUNIT ||
hst->chan < 0 ||
hst->chan > 1 )
{
error = EINVAL;
break;
}
#ifndef __FreeBSD__
sc = isic_find_sc(hst->unit);
#else
sc = &isic_sc[hst->unit];
#endif
hst->vfr = sc->sc_chan[hst->chan].stat_VFR;
hst->rdo = sc->sc_chan[hst->chan].stat_RDO;
hst->crc = sc->sc_chan[hst->chan].stat_CRC;
hst->rab = sc->sc_chan[hst->chan].stat_RAB;
hst->xdu = sc->sc_chan[hst->chan].stat_XDU;
hst->rfo = sc->sc_chan[hst->chan].stat_RFO;
break;
}
case I4B_CTL_CLR_HSCXSTAT:
{
hscxstat_t *hst;
struct isic_softc *sc;
hst = (hscxstat_t *)data;
if( hst->unit < 0 ||
hst->unit > ISIC_MAXUNIT ||
hst->chan < 0 ||
hst->chan > 1 )
{
error = EINVAL;
break;
}
#ifndef __FreeBSD__
sc = isic_find_sc(hst->unit);
#else
sc = &isic_sc[hst->unit];
#endif
sc->sc_chan[hst->chan].stat_VFR = 0;
sc->sc_chan[hst->chan].stat_RDO = 0;
sc->sc_chan[hst->chan].stat_CRC = 0;
sc->sc_chan[hst->chan].stat_RAB = 0;
sc->sc_chan[hst->chan].stat_XDU = 0;
sc->sc_chan[hst->chan].stat_RFO = 0;
break;
}
default:
error = ENOTTY;
break;
}
return(error);
#endif DO_I4B_DEBUG
}
/*---------------------------------------------------------------------------*
* i4bctlpoll - device driver poll routine
*---------------------------------------------------------------------------*/
#if defined(__FreeBSD__) && __FreeBSD__ >= 3
static int
i4bctlpoll (dev_t dev, int events, struct proc *p)
{
return (ENODEV);
}
#endif
#endif /* NI4BCTL > 0 */
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